2006
Dr. Ali Asghar Mowlai, Iran

2009
Dr. Leif Schröder, Germany

2012
Dr. Magdalena Stoeva, Bulgaria

2013
Dr. Ferdinand Schweser, Germany

2014
Dr. Jan-Bernd Hövener, Germany

2015
Dr. Guerda Massillon-JL, Mexico

2016
Dr. Francis Hasford, Ghana

2017
Dr. Abdul Nashirudeen Mumuni, Ghana

2018
Dr Kuo Men, China

2019
Dr Mitsuhiro Nakamura, Japan

2020
Dr Jaydev K Dave, USA

2021
Dr Chai Hong Yeong, Malaysia